Embedded Lead Inserts
Category: Deactivation & Decommissioning > Dismantlement & Material Disposition
Published: 2/3/2011 Last Updated: 4/6/2011
Decom of a Commercial BWR Late 1950’s Nuke plant and we have thousands of Lead Inserts embedded in the concrete that were used to mount gauges and unistrut to the walls.
In past decommissionings they were removed by:
Pulling them out from the center
(EZ out way)
This did not work and just left you with a bag with lead shavings in it and 80% of the insert still embedded into the wall. (Maine Yankee and C.Y.)
Core Boring. This did work but is very time consuming. ( N.A.S.A. Plumbrook Reactor)
Chipping them out with a Hilti Hammer. (After # 1 did not work) This did work but once again is very time consuming. (Maine Yankee and C.Y.)
So the question is what is the Safest and Fastest way to remove the thousands of Embedded Lead Inserts without disturbing the Lead.
Solution(s) for Posted Problem